Home / 283,089.38-390,534.60-168,302.88

Finding the Fourth Proportional to 283,089.38, 390,534.60 and 168,302.88

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Solution

The fourth proportional to 283,089.38, 390,534.60 and 168,302.88 is: 232,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,089.38 : 390,534.60 = 168,302.88 : x
  2. Step 2: Convert to fraction form
    283,089.38/390,534.60 = 168,302.88/x
  3. Step 3: Cross multiply
    283,089.38x = 390,534.60 × 168,302.88
  4. Step 4: Simplify right side
    283,089.38x = 65,728,098,550.78
  5. Step 5: Solve for x
    x = 65,728,098,550.78/283,089.38
  6. Step 6: Final answer
    x = 232,181.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.